Countersunk head
Raised countersunk head
Countersunk head square neck
Countersunk head with nib
Square countersunk head
Countersunk Cheese head
T-head countersunk
GB/T 800-1988
Countersunk head bolts with double nibs
GJB 134.2-1986
100° Countersunk head lock bolt(ds r6)
GJB 134.3-1986
100° Countersunk head lock bolt(ds f9)
DIN 604-1981
Flat 90°countersunk head nib bolts
DIN 604-2017
Flat 60°countersunk head nib bolts
DIN 604-2017
Flat 90°countersunk head nib bolts
DIN 604-2007
Flat 60°countersunk head nib bolts
DIN 604-2007
Flat 90°countersunk head nib bolts
DIN 7969-1999
Slotted countersunk head screws for structural steel bolting for supply with or without nuts
DIN 7969-2007
Slotted countersunk head screws for structural steel bolting for supply with or without nuts
DIN 7969-2017
Slotted countersunk head screws for structural steel bolting for supply with or without nuts
BS 4933-8-2010
90° Countersunk head bolts
BS 4933-8-2015
90° Countersunk head bolts
BS 4933-9-2010
90° Countersunk head nibbed bolts
BS 4933-9-2015
90° Countersunk head nibbed bolts
BS 4933-10-2010
90° Countersunk square bolts
BS 4933-10-2015
90° Countersunk square bolts
BS 4933-11-2010
120° Countersunk square bolts
BS 4933-11-2015
120° Countersunk square bolts
EN 14399-7-2018
System HR-Countersunk head bolt
